健康人每日体内代谢生成的嘌呤总量为()
A.100~150mg
B.150~200mg
C.200~300mg
D.400~500mg
E.600~700mg
参考答案:E
---- I was riding along the street and all of a sudden, a car cut in and knocked me down.
---- You can never be _______ careful in the street.
A.very
B.too
C.so
D.much
申请人在提出药品注册申请时,应当承诺所有试验数据均为
A.参考文献数据B.自行取得并保证其真实性C.真实可行的D.科学规范的E.合理的实用的